Invisible Exclaves: Slovak and Czech Minority in Serbia - Spinelli, Marcoandrea (. Borderlands of nations, nations of borderlands. - Łódź : University of Łódź Department of Political Geography and Regional Studies Governmental Research Institute ; Silesian Institute in Opole Silesian Institute Society, 2017. - 255 Seiten. - Illustrationen. - ISBN 978-83-7126-330-9, 2017)